After few minutes of playing my high score is 6458, pretty hard game, but in a good way - I liked it. The idea is simple yet engaging and even a little bit addictive. I had fun :) The controls were laggy at some moments (I swear I released "D" key before the enemy, yet still I died instead of charging into it), but it may be due to web export stuff. And it made it even more fun in fact :D